Doors for a refrigerator



FIG. 1 is a front isometric view of doors for a refrigerator showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right view thereof, the left view being a mirror image; and,

FIG. 4 is a front view thereof.

FIGS. 2 through 4 are shown on a reduced scale.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for doors for a refrigerator, as shown and described. 